ANSWER FOR 1 to 13 With detail steps

2.4 Practice A Open with In Exercises 1-3, solve the equation. Justify each step. 1. 3x + 4 = 31 2. 3(2x + 1) = 15 3. -(16.x - 8) = 2(x + 16) In Exercises 4-6, solve the equation for the given variable. Justify each step. 4. p = 2v, v 5. V = xrah; h 6. S = mrs + Ar ;5 In Exercises 7 and 8, name the property of equality that the statement illustrates. 7. If x = y, then -2x = -2y. 8. If myA - myB and myB = 42", then mZ4 = 42. In Exercises 9-11, use the property to copy and complete the statement. 9. Addition Property of Equality If mZ.J = 30, then mZJ + mZK = 10. Reflexive Property of Equality: GH - 11. Distributive Property: If 3(x + 7) = 30, then - 30 12. The formula for the surface area of a rectangular prism is given by the equation 4 - 2(w + 2ch + 2/w. where { is the length, we is the width, and h is the height. Solve the formula for w and justify each step. Then find the width of the prism if the total surface area is 52 square inches, the length is 2 inches, and the height is 4 inches. 13. In the diagram, 48 - 3 and BC - 5. Find the perimeter of the hexagon. Justify your answer using the properties of equality. E Page 1 / 1 - + DELL